2144531455 has 8 divisors (see below), whose sum is σ = 2807386704. Its totient is φ = 1559659200.

The previous prime is 2144531447. The next prime is 2144531461. The reversal of 2144531455 is 5541354412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2144531455 - 2³ = 2144531447 is a prime.

It is a super-2 number, since 2×2144531455² = 9198030322968834050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2144531455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19495686 + ... + 19495795.

It is an arithmetic number, because the mean of its divisors is an integer number (350923338).

Almost surely, 2^2144531455 is an apocalyptic number.

2144531455 is a deficient number, since it is larger than the sum of its proper divisors (662855249).

2144531455 is a wasteful number, since it uses less digits than its factorization.

2144531455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38991497.

The product of its digits is 48000, while the sum is 34.

The square root of 2144531455 is about 46309.0860954953. The cubic root of 2144531455 is about 1289.5676805836.

Adding to 2144531455 its reverse (5541354412), we get a palindrome (7685885867).

It can be divided in two parts, 21445 and 31455, that added together give a square (52900 = 230²).

The spelling of 2144531455 in words is "two billion, one hundred forty-four million, five hundred thirty-one thousand, four hundred fifty-five".